Piece Word

WITH the help of the Across clues only, can you fit the pieces into their correct positions in the grid? ACROSS 1 Force, oblige 2 Flood 3 Vehicle record 4 Junior US hospital doctor 5 Send, ship 6 Water‑cut channel in rock 7 Cocoa substitute 8 Make use of waste material 9 Ambassador from the Pope 10 Indulge 11 Social setting, circle 12 Sell to another country